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Hidenori Otani, Mitsuharu Kaya, Akira Tamaki, Heita Goto, Takayuki Goto, Minayuki Shirato
Active individuals often perform exercises in the heat following heat stress exposure (HSE) regardless of the time-of-day and its variation in body temperature. However, there is no information concerning the diurnal effects of a rise in body temperature after HSE on subsequent exercise performance in a hot environnment. This study therefore investigated the diurnal effects of prior HSE on both sprint and endurance exercise capacity in the heat. Eight male volunteers completed four trials which included sprint and endurance cycling tests at 30 °C and 50% relative humidity...
March 21, 2018: Chronobiology International
Christian-Jacques Larsen
The recognition that solid tumors are complex entities composed of the tumor cell mass itself and a stromal micro-environnement providing a variety of cells from the host (fibroblasts, endothelial cells, immune cells) led to recognize that this heterogeneity could not be recapitulated in vitro by conventional bidimensional (2-D) cultures. This justified numerous attempts to develop tridimensional (3-D) cultures that provided better tools for approaching tumor complexity and more convincing drug testing systems...
January 2018: Bulletin du Cancer
Jonathan Giovannelli, Philippe Trouiller, Sébastien Hulo, Natalie Chérot-Kornobis, Alina Ciuchete, Jean-Louis Edmé, Régis Matran, Philippe Amouyel, Aline Meirhaeghe, Luc Dauchet
PURPOSE: An association has been consistently found between diabetes mellitus and decreased lung function. We evaluated to what extent low-grade inflammation (as measured by the level of high-sensitivity C-reactive protein [hs-CRP]) could explain this relationship. METHODS: A sample of 1878 middle-aged adults from the cross-sectional Enquête Littoral Souffle Air Biologie Environnement survey without self-reported pulmonary and atherosclerosis disease was included...
January 2018: Annals of Epidemiology
Elizabeth Fistein, David Cruise Malloy
En qualité de professionnels de la santé, nous sommes déterminés à assurer l'exploitation efficiente et efficace de nos établissements. Les outils dont nous disposons sont les structures bureaucratiques, les règles, les règlements, les politiques et, bien sûr, les mesures. Il n'y a rien de foncièrement pernicieux à avoir des établissements efficients, efficaces et mesurés, mais nous soutenons que l'humanité et l'authenticité manquent cruellement dans cet environnement, au prix d'un travail significatif...
July 2017: Healthcare Management Forum
Carlo Fanelli, Debbie Laliberté Rudman, Rebecca M Aldrich
Drawing on interview and focus group data, this article explores research undertaken as part of a larger research project exploring precarity in the nonprofit employment services sector in a mid-sized Canadian city. We critically survey major legislative changes to Canadian employment and income security policies and programs, including the restructuring of work and labor relations, growth of performance-based contracting-out, erosion of intergovernmental transfers, worker stress, and emotional tolls. Our study's results demonstrate how employment precarity in the nonprofit employment services sector is amplified by top-down and centralized relationships with funding partners and policymaking divorced from the employment experiences of frontline staff...
August 2017: Canadian Review of Sociology, Revue Canadienne de Sociologie
Muhammad Oboirien, Stephen Patrick Agbo, Lukman Olalekan Ajiboye
BACKGROUND: The use of conventional dynamic compression plates (DCPs) in osteoporotic bones is associated with higher chances of implant failure. The advent and use of locking combi-plates have ensured a stable construct during osteosynthesis of fractures in osteoporotic bones. OBJECTIVES: The study aims to assess the outcome of use of locking combi-plates in the management of fractures in osteoporotic bones in our environment. MATERIALS AND METHODS: Cases of patients with nonunion and localized osteoporosis from January 2014 to December 2014 that were managed with locked combi-plates were reviewed...
July 2017: Annals of African Medicine
Nicolas Bacaër
This study focuses on the speed of extinction of a population living in a random environment that follows a continuous-time Markov chain. Each individual dies or reproduces at a rate that depends on the environment. The number of offspring during reproduction follows a given probability law that also depends on the environment. In the so-called subcritical case where the population goes for sure to extinction, there is an explicit formula for the speed of extinction. In some sense, environmental stochasticity slows down population extinction...
May 2017: Comptes Rendus Biologies
Abdolmohammad Kazemipur
In much of the academic debate on the integration of Muslims into Western liberal democracies, Islam is often treated as one or the sole independent variable in the lives of Muslims. Offering to view Islam-or the understanding of Islam among Muslims-as the dependent variable, The Muslim Question in Canada discusses the influence of socioeconomic forces in shaping the Muslim immigrants' opinions, modes of thinking, and even interpretations of their faith. Drawing on this general approach, which is introduced and developed in the book using a variety of both quantitative and qualitative data, this article focuses on a school of thought within the Islamic jurisprudence known as fiqh al-aqalliyyat al-Muslema (the jurisprudence of Muslim minorities)...
November 2016: Canadian Review of Sociology, Revue Canadienne de Sociologie
Nicolas Bacaër
An explicit formula is found for the rate of extinction of subcritical linear birth-and-death processes in a random environment. The formula is illustrated by numerical computations of the eigenvalue with largest real part of the truncated matrix for the master equation. The generating function of the corresponding eigenvector satisfies a Fuchsian system of singular differential equations. A particular attention is set on the case of two environments, which leads to Riemann's differential equation.
July 2017: Journal of Mathematical Biology
Jérôme Ribesse, Nathalie Robitaille
Plastics are omnipresent in today's healthcare facilities. In Quebec, recyclable plastics (the ones with a 1 to 7 number on it, excluding number 6 or styrofoam) represent 7% of all the waste generated by healthcare institutions - 2,907 tonnes each year (Proulx et al. 2009). The vast majority of these plastics are sent to landfill instead of being recycled due to the lack of suitable recycling systems. In collaboration with three Montreal-based hospitals, Synergie Santé Environnement (SSE) conducted an 18-month pilot project to implement a sustainable plastic recycling system with threefold objectives: reduce landfill costs, obtain royalties for the plastics and assure traceability...
2016: Healthcare Quarterly
Annelise Genoux, Laeticia Lichtenstein, Jean Ferrières, Thibaut Duparc, Vanina Bongard, Paul-Louis Vervueren, Guillaume Combes, Dorota Taraszkiewicz, Meyer Elbaz, Michel Galinier, Bertrand Nassar, Jean-Bernard Ruidavets, Bertrand Perret, Laurent O Martinez
BACKGROUND: Epidemiological and observational studies have established that high-density lipoprotein cholesterol (HDL-C) is an independent negative cardiovascular risk factor. However, simple measurement of HDL-C levels is no longer sufficient for cardiovascular risk assessment. Therefore, there is a critical need for novel non-invasive biomarkers that would display prognostic superiority over HDL-C. Cell surface ecto-F1-ATPase contributes to several athero-protective properties of HDL, including reverse cholesterol transport and vascular endothelial protection...
August 23, 2016: BMC Medicine
Nicolas Bacaër
The stochastic SIS epidemic model in a random environment. In a random environment that is a two-state continuous-time Markov chain, the mean time to extinction of the stochastic SIS epidemic model grows in the supercritical case exponentially with respect to the population size if the two states are favorable, and like a power law if one state is favorable while the other is unfavorable.
October 2016: Journal of Mathematical Biology
Gary R McCoy, Nicolas Touzet, Gerard T A Fleming, Robin Raine
The toxic microalgal species Prymnesium parvum and Prymnesium polylepis are responsible for numerous fish kills causing economic stress on the aquaculture industry and, through the consumption of contaminated shellfish, can potentially impact on human health. Monitoring of toxic phytoplankton is traditionally carried out by light microscopy. However, molecular methods of identification and quantification are becoming more common place. This study documents the optimisation of the novel Microarrays for the Detection of Toxic Algae (MIDTAL) microarray from its initial stages to the final commercial version now available from Microbia Environnement (France)...
July 2015: Environmental Science and Pollution Research International
G Le Pape, J M Lassalle
Des enregistrements continus d'activité locomotrice ont été effectués sur des souris mâles isolées des lignées Balb/c et C57bl/6, vivant en cages d'élevage ou en milieu semi- naturel. Les résultats montrent que les différences entre ces deux situations ne sont pas perçues de la même façon par les animaux des deux lign'ees: alors qu'en cages d'élevage les souris des deux lignées experiment la même quantité totale d'activaté, en milieu semi-naturel les souris Balb/c sont plus actives que les C57bl/6...
October 1979: Behavioural Processes
C Charlier, G Plomteux
Xenoestrogens such organochlorine pesticides are known to induce changes in reproductive development, function or behaviour in wildlife. Because these compounds are able to modify the estrogens metabolism, or to compete with estradiol for binding to the estrogen receptor, it may be possible that these products affect the risk of developing impaired fertility, precocious puberty or some kinds of cancer in man. Le plus ancien récit de lutte contre la pollution remonte à une légende indienne racontant que la divinité Sing-bonga était incommodée par les émanations des fours dans lesquels les Asuras fondaient leurs métaux (1)...
2002: Acta Clinica Belgica
Béatrice Godard, Matthew Hunt, Zéphirin Moube
La recherche en santé mondiale s'inscrit dans une volonté de mobiliser des connaissances au service d'interventions et de politiques publiques pour l'atteinte équitable du bien-être commun, notamment en matière de santé. Elle joue un rôle primordial en ce sens, en favorisant l'implication des communautés et leur autonomisation et de nombreuses lignes directrices supportent un tel partenariat. Néanmoins, certains enjeux éthiques sont liés au financement de la recherche, aux environnements de recherche, à la priorisation des problématiques de recherche, aux mécanismes d'évaluation éthique posent souvent un problème de justice sociale au niveau de la redistribution des ressources et de la reconnaissance des différences culturelles...
June 2014: Global Health Promotion
Norah Keating, Jacquie Eales, Judith E Phillips
The literature on age-friendly communities is predominantly focused on a model of urban aging, thereby failing to reflect the diversity of rural communities. In this article, we address that gap by focusing on the concept of community in a rural context and asking what makes a good fi t between older people and their environment. We do this through (a) autobiographical and biographical accounts of two very different geographical living environments: bucolic and bypassed communities; and through (b) analysis of the different needs and resources of two groups of people: marginalized and community-active older adults, who live in those two different rural communities...
December 2013: Canadian Journal on Aging, la Revue Canadienne du Vieillissement
B Barillon, S Martin Ruel, C Langlais, V Lazarova
Energy consumption remains the key factor for the optimisation of the performance of membrane bioreactors (MBRs). This paper presents the results of the detailed energy audits of six full-scale MBRs operated by Suez Environnement in France, Spain and the USA based on on-site energy measurement and analysis of plant operation parameters and treatment performance. Specific energy consumption is compared for two different MBR configurations (flat sheet and hollow fibre membranes) and for plants with different design, loads and operation parameters...
2013: Water Science and Technology: a Journal of the International Association on Water Pollution Research
Bo-Hui Tang, Hua- Wu, Zhao-Liang Li, Françoise Nerry
This work addressed the validation of the MODIS-derived bidirectional reflectivity retrieval algorithm in mid-infrared (MIR) channel, proposed by Tang and Li [Int. J. Remote Sens. 29, 4907 (2008)], with ground-measured data, which were collected from a field campaign that took place in June 2004 at the ONERA (Office National d'Etudes et de Recherches Aérospatiales) center of Fauga-Mauzac, on the PIRRENE (Programme Interdisciplinaire de Recherche sur la Radiométrie en Environnement Extérieur) experiment site [Opt...
July 30, 2012: Optics Express
Vladimir Gajić
INTRODUCTION: Gaia is the Anglo-Saxon term for the Hellenic term Gea or Ge, which means Earth. The GAIA hypothesis was launched almost 40 years ago by the famous chemist James Lovelock, who was engaged by the National Aeronautics and Space Administration (NASA) to create a sensitive instrument for searching forms of extraterrestrial life on other planets. Then he published the book The ages of GAIA, which perturbed the world's scientific public of those days. Lovelock struck upon this idea in the late sixties of the past century, during the space race with Russians, when he was hired hy the National Aeronautics and Space Administration to conduct a series of experiments to find and explore life forms on the planet Mars...
November 2011: Medicinski Pregled
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